From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Thu, 6 Jan 2022 10:22:50 +0000 (+0100)
Subject: 5.15-stable patches
X-Git-Tag: v4.4.299~51
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c48e8b35625539ea0d02ed3f697e63ea75867f4c;p=thirdparty%2Fkernel%2Fstable-queue.git

5.15-stable patches

added patches:
	selftests-x86-fix-warn-in-test_process_vm_readv.patch
---

diff --git a/queue-5.15/selftests-x86-fix-warn-in-test_process_vm_readv.patch b/queue-5.15/selftests-x86-fix-warn-in-test_process_vm_readv.patch
new file mode 100644
index 00000000000..03b06cfeca0
--- /dev/null
+++ b/queue-5.15/selftests-x86-fix-warn-in-test_process_vm_readv.patch
@@ -0,0 +1,38 @@
+From dd40f44eabe1e122c6852fabb298aac05b083fce Mon Sep 17 00:00:00 2001
+From: Shuah Khan <skhan@linuxfoundation.org>
+Date: Thu, 21 Oct 2021 15:33:33 -0600
+Subject: selftests: x86: fix [-Wstringop-overread] warn in test_process_vm_readv()
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+From: Shuah Khan <skhan@linuxfoundation.org>
+
+commit dd40f44eabe1e122c6852fabb298aac05b083fce upstream.
+
+Fix the following [-Wstringop-overread] by passing in the variable
+instead of the value.
+
+test_vsyscall.c: In function ‘test_process_vm_readv’:
+test_vsyscall.c:500:22: warning: ‘__builtin_memcmp_eq’ specified bound 4096 exceeds source size 0 [-Wstringop-overread]
+  500 |                 if (!memcmp(buf, (const void *)0xffffffffff600000, 4096)) {
+      |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
+Cc: Naresh Kamboju <naresh.kamboju@linaro.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ tools/testing/selftests/x86/test_vsyscall.c |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/tools/testing/selftests/x86/test_vsyscall.c
++++ b/tools/testing/selftests/x86/test_vsyscall.c
+@@ -497,7 +497,7 @@ static int test_process_vm_readv(void)
+ 	}
+ 
+ 	if (vsyscall_map_r) {
+-		if (!memcmp(buf, (const void *)0xffffffffff600000, 4096)) {
++		if (!memcmp(buf, remote.iov_base, sizeof(buf))) {
+ 			printf("[OK]\tIt worked and read correct data\n");
+ 		} else {
+ 			printf("[FAIL]\tIt worked but returned incorrect data\n");
diff --git a/queue-5.15/series b/queue-5.15/series
index 7fc268c9807..13648679246 100644
--- a/queue-5.15/series
+++ b/queue-5.15/series
@@ -1 +1,2 @@
 fscache_cookie_enabled-check-cookie-is-valid-before-accessing-it.patch
+selftests-x86-fix-warn-in-test_process_vm_readv.patch